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Unaudited Statements of Operations and Comprehensive Loss - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Unaudited Statements of Operations and Comprehensive Loss
Revenue	$ 9,000,000
Costs and expenses:
Research and development expense	12,668,260	11,772,666
General and administrative expense	4,439,760	3,360,448
Total costs and expenses	17,108,020	15,133,114
Loss from operations	(8,108,020)	(15,133,114)
Interest income	445,416	1,049,217
Net loss and comprehensive loss	$ (7,662,604)	$ (14,083,897)
Basic and diluted net loss per common share (in dollars per share)	$ (0.18)	$ (0.33)
Basic and diluted weighted-average number of common shares (in shares)	43,575,590	43,166,967

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